From Review of Optometry, July 15, 2015:
"We have all encountered patients who insist that they comply with their eye drops, yet have not filled the order since treatment was initiated.
That lack of adherence, a study shows, turns out to be one of the primary causes of IOP flucutation. And IOP fluctuation is associated with increased risk of visual field progression, particularly in patients with a lower initial mean IOP."
Read the full arcticle here: An OD's Guide to Glaucoma Surgery